Cummins/Onan Onan P4500i Inverter / P4500 — Connect the Battery
Installation
For the Cummins/Onan Onan P4500i Inverter / P4500, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan P4500
Parts for this job
- A058U961 Battery Amazon eBay $44.99
Part numbers from the service-parts list for Cummins/Onan P4500. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Push down the battery access cover tab and pull the cover forward to remove it.
- Verify the rubber battery strap is firmly securing the battery; hook it onto the mounting base if loose.
- Remove the cable tie securing the quick-connect battery plugs then push firmly to connect them.
- Align the tabs on the battery access cover and push to reinstall.
Full service-parts list: Cummins/Onan P4500 →
Source: Cummins/Onan operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.